removed hard-coded `http` in Docker client
removed hard-coded `http` in Docker client

nils-werner/drone,gpndata/drone,psytale/drone,olalonde/drone,albertyes/dronetest,Jurisdesk/drone,alexethan/drone,pombredanne/drone,mvdkleijn/drone,reinbach/drone,kpacha/drone,mikaelhg/drone,gpndata/drone,shawnzhu/drone,kausdev/drone,Clever/drone,dtan4/drone,zaro0508/drone,dtan4/drone,pombredanne/drone,opavader/drone,adoyle-h/drone,carnivalmobile/drone,llinder/drone,gregory90/drone,Clever/drone,thomasf/drone,kpacha/drone,net2b/drone,k2wanko/drone,roth1002/drone,adoyle-h/drone,lins05/drone,simonoff/drone,Ablu/drone,letusfly85/drone,depay/drone,toihrk/drone,Jurisdesk/drone,letusfly85/drone,opavader/drone,benschumacher/drone,mikaelhg/drone,reinbach/drone,cdaguerre/drone,rancher/drone,scrapinghub/drone,romlinch/drone,Dataman-Cloud/drone,net2b/drone,feelobot/drone,kaedroho/drone,deedubs/drone,nils-werner/drone,crhym3/drone,opavader/drone,hkjn/drone,chlorm-forks/drone,letusfly85/drone,nevermosby/drone,deedubs/drone,mvdkleijn/drone,Dataman-Cloud/drone,rancher/drone,simonoff/drone,kaedroho/drone,deedubs/drone,philipz/drone,donatj/drone,feelobot/drone,beyondthestory/drone,romlinch/drone,roth1002/drone,toihrk/drone,Jurisdesk/drone,shift/drone,vaijab/drone,thoughtpalette/drone,armab/drone,jackspirou/drone,donatj/drone,mopemope/drone,Ablu/drone,armab/drone,globalxolutions/drone,NamPNQ/drone,jackspirou/drone,skarungan/drone,mvdkleijn/drone,bbmepic/drone,gregory90/drone,dtan4/drone,llinder/drone,carnivalmobile/drone,alexethan/drone,feelobot/drone,llinder/drone,PermissionData/drone,masarakki/drone,mopemope/drone,kaedroho/drone,letusfly85/drone,bsauvajon/drone,lins05/drone,chlorm-forks/drone,nevermosby/drone,globalxolutions/drone,kausdev/drone,kausdev/drone,hkjn/drone,feelobot/drone,fracting/drone,depay/drone,armab/drone,thoughtpalette/drone,nils-werner/drone,adoyle-h/drone,thoughtpalette/drone,jdamick/drone,beyondthestory/drone,msteinert/drone,shift/drone,vaijab/drone,psytale/drone,shawnzhu/drone,Dataman-Cloud/drone,nevermosby/drone,psytale/drone,crhym3/drone,crhym3/drone,jdamick/drone,toihrk/drone,zaro0508/drone,arobson/drone,shiena/drone,shiena/drone,bbmepic/drone,k2wanko/drone,flyinprogrammer/drone,kpacha/drone,roth1002/drone,olalonde/drone,mopemope/drone,depay/drone,thoughtpalette/drone,olalonde/drone,shiena/drone,dakatsuka/drone,globalxolutions/drone,alphagov/drone,romlinch/drone,veghead/drone,jgoldfar/drone,bsauvajon/drone,veghead/drone,masarakki/drone,dakatsuka/drone,arobson/drone,gpndata/drone,scrapinghub/drone,albertyes/dronetest,bbmepic/drone,donatj/drone,scrapinghub/drone,beyondthestory/drone,mikaelhg/drone,alphagov/drone,zaro0508/drone,globalxolutions/drone,oliveiradan/drone,psytale/drone,jgoldfar/drone,skarungan/drone,msteinert/drone,gregory90/drone,adoyle-h/drone,alexethan/drone,cdaguerre/drone,olalonde/drone,jgoldfar/drone,scrapinghub/drone,kpacha/drone,simonoff/drone,beyondthestory/drone,oliveiradan/drone,thomasf/drone,flyinprogrammer/drone,nevermosby/drone,cedk/drone,dtan4/drone,philipz/drone,dakatsuka/drone,gregory90/drone,arobson/drone,depay/drone,Jurisdesk/drone,Clever/drone,kausdev/drone,shift/drone,pombredanne/drone,cedk/drone,gpndata/drone,opavader/drone,mvdkleijn/drone,Clever/drone,mikaelhg/drone,benschumacher/drone,zaro0508/drone,cedk/drone,kaedroho/drone,albertyes/dronetest,alphagov/drone,alexethan/drone,thomasf/drone,jackspirou/drone,reinbach/drone,PermissionData/drone,PermissionData/drone,toihrk/drone,hkjn/drone,fracting/drone,vtolstov/drone,shift/drone,jgoldfar/drone,armab/drone,flyinprogrammer/drone,skarungan/drone,llinder/drone,simonoff/drone,philipz/drone,oliveiradan/drone,reinbach/drone,fracting/drone,cdaguerre/drone,arobson/drone,dakatsuka/drone,oliveiradan/drone,carnivalmobile/drone,net2b/drone,bbmepic/drone,NamPNQ/drone,k2wanko/drone,PermissionData/drone,hkjn/drone,deedubs/drone,skarungan/drone,msteinert/drone,Ablu/drone,philipz/drone,shawnzhu/drone,vtolstov/drone,rancher/drone,roth1002/drone,shiena/drone